Results 111 to 120 of about 78,626 (296)

Nd Isotope Response to Precipitation Variability in the Western Tropical Pacific Over the Last 30 kyr

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 1, January 2026.
Abstract Dissolved neodymium (Nd) isotopes are key tracers for water mass mixing in the open ocean and for land‐ocean exchanges in marginal seas. Hydrogenous Nd isotope ratios (expressed as εNd) in cores north of the equator reflect values of the surrounding lithology and tend to vary in accordance with local rainfall records, indicating higher ...
A. P. S. Cruz, C. Basak, A. K. I. U. Kapuge, L. Lo   +3 more
wiley   +1 more source

A Survey of Atmospheric Gravity Waves Observed by GOLD During Quiet to Moderate Solar and Geomagnetic Activity

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Atmospheric gravity waves (GWs) are believed to transport energy and momentum between different regions of the atmosphere. Historically, observations of these waves from both ground and space have been relatively abundant at altitudes up to the lower thermosphere, and somewhat less abundant in the upper thermosphere and F‐region ionosphere ...
Scott L. England, Shun‐Rong Zhang, Scott Evans, Richard W. Eastes   +3 more
wiley   +1 more source

Evolution of Ionospheric Ion Upflow Flux During the April 2023 Geomagnetic Storm

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract We study the impact of the evolving magnetosphere‐ionosphere‐thermosphere system on upward ion fluxes during the 23–24 April 2023 geomagnetic storm. This storm has a “double‐dip” structure where two southward IMF Bz ${\mathrm{B}}_{z}$ periods cause two dips in the SYM‐H index.
Grace Kwon, Shasha Zou, Marc Hairston, Hu Sun, Maria Smirnova   +4 more
wiley   +1 more source

Climatology of Medium‐Scale Traveling Ionospheric Disturbances Over Continental US Using GNSS TEC From 2012 to 2023

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Medium‐Scale Traveling Ionospheric Disturbances (MSTIDs) have long been a subject of interest in ionospheric research. However, their spatiotemporal variability across regions, local times, seasons, and solar cycles is very complicated and remains not well established.
Jing Liu, Shun‐Rong Zhang, Anthea J. Coster, Philip J. Erickson, Hanli Liu   +4 more
wiley   +1 more source

Driven Collisionless Reconnection of Force-free Flux Tubes: From Onset to Coalescence

The Astrophysical Journal
We investigate the onset of driven collisionless reconnection and plasmoid formation in a magnetically dominated pair plasma, using 2D particle-in-cell simulations.
Camille Granier, Daniel Grošelj, Luca Comisso, Fabio Bacchini   +3 more
doaj   +1 more source

Space related technical investigations Progress report, 1 Mar. - 1 Oct. 1968 [PDF]

Space related studies in low temperature physics, semiconductor properties, astrophysics, atomic physics, and plasma ...
Hildebrandt, A. F.
core   +1 more source

Nanostructured surfaces for nuclear astrophysics studies in laser-plasmas [PDF]

, 2017
C. Altana, Vincenzo Amarù, G. Castro, M. Frassetto, G. Lanzalone, L. Malferrari, D. Mascali, A. Muoio, F. Odorici, S. Tudisco   +9 more
openalex   +1 more source

Enhanced Radiation Exposure of Airline Crew and Passengers During the May 2024 Geomagnetic Storm

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract Enhanced radiation at aviation altitudes is a concern for flight crew and passengers. During space weather events, solar flares and coronal mass ejection (CME) driven shocks are sources of energetic particles that can reach Earth's near‐space environment and interact with its magnetic field and atmosphere.
Homayon Aryan, Jacob Bortnik, W. Kent Tobiska, Piyush Mehta, Benjamin Hogan, Rashmi Siddalingappa, Harshitha Challa   +6 more
wiley   +1 more source

Debye‐Scale Bipolar Structures and Their Role in the Electron Trajectory Instability at the Bow Shock

Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.
Abstract A number of mechanisms have been suggested to operate within the terrestrial bow shock to redistribute energy contained in the incoming solar wind flow. The majority of mechanisms involve the generation of turbulence while some are based on particle motion alone.
Simon N. Walker, Michael Gedalin, Michael A. Balikhin   +2 more
wiley   +1 more source

Ultra-High-Energy Cosmic Rays Accelerated by Magnetically Dominated Turbulence

The Astrophysical Journal Letters
Ultra-high-energy cosmic rays (UHECRs), particles characterized by energies exceeding 10 ^18 eV, are generally believed to be accelerated electromagnetically in high-energy astrophysical sources.
Luca Comisso, Glennys R. Farrar, Marco S. Muzio   +2 more
doaj   +1 more source